Hailing from Microsoft, Krishna worked on the Redmond giant's Web search engine development team, he was a software development engineer, spending more than 5 years at Microsoft, where he helped build and ship many features of Bing, including index quality measurement, static rank computation infrastrucutre & algorithms, Web spam detection, query suggestions, entity extraction, autosuggest, contextual display ads and realtime/social search, according to his LinkedIn profile.

Krishna did not return cell phone calls prior to publishing to elaborate on his role at Twitter, but his hiring spells good news for the company's search engine getting even more hands on deck to become a more relevant and useful archive.